| Business | Phone |
| Greg Ferguson & Assoc 179 Early Parkway Dr Se, Smyrna 30082 | (770) 436-4846 |
| Sandwell Engineers Corp 2300 Lake Park Dr Se, Smyrna 30080 | (770) 433-9336 |
| Manhard Consulting Ltd 3300 Highlands Pkwy Se, Smyrna 30082 | (770) 803-6300 |
| Ash Integration Inc 721 Gregory Manor Dr Sw, Smyrna 30082 | (770) 944-8757 |